Merge branch 'upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream

1 files changed, 75 insertions, 94 deletions

diff --git a/net/ieee80211/softmac/ieee80211softmac_io.c b/net/ieee80211/softmac/ieee80211softmac_io.c
index cc6cd56c85b1..09541611e48c 100644
--- a/net/ieee80211/softmac/ieee80211softmac_io.c
+++ b/net/ieee80211/softmac/ieee80211softmac_io.c
@@ -149,6 +149,56 @@ ieee80211softmac_hdr_3addr(struct ieee80211softmac_device *mac,
          * shouldn't the sequence number be in ieee80211? */
 }
 
+static u16
+ieee80211softmac_capabilities(struct ieee80211softmac_device *mac,
+        struct ieee80211softmac_network *net)
+{
+        u16 capability = 0;
+
+        /* ESS and IBSS bits are set according to the current mode */
+        switch (mac->ieee->iw_mode) {
+        case IW_MODE_INFRA:
+                capability = cpu_to_le16(WLAN_CAPABILITY_ESS);
+                break;
+        case IW_MODE_ADHOC:
+                capability = cpu_to_le16(WLAN_CAPABILITY_IBSS);
+                break;
+        case IW_MODE_AUTO:
+                capability = net->capabilities &
+                        (WLAN_CAPABILITY_ESS|WLAN_CAPABILITY_IBSS);
+                break;
+        default:
+                /* bleh. we don't ever go to these modes */
+                printk(KERN_ERR PFX "invalid iw_mode!\n");
+                break;
+        }
+
+        /* CF Pollable / CF Poll Request */
+        /* Needs to be implemented, for now, the 0's == not supported */
+
+        /* Privacy Bit */
+        capability |= mac->ieee->sec.level ?
+                cpu_to_le16(WLAN_CAPABILITY_PRIVACY) : 0;
+
+        /* Short Preamble */
+        /* Always supported: we probably won't ever be powering devices which
+         * dont support this... */
+        capability |= WLAN_CAPABILITY_SHORT_PREAMBLE;
+
+        /* PBCC */
+        /* Not widely used */
+
+        /* Channel Agility */
+        /* Not widely used */
+
+        /* Short Slot */
+        /* Will be implemented later */
+
+        /* DSSS-OFDM */
+        /* Not widely used */
+
+        return capability;
+}
 
 /*****************************************************************************
  * Create Management packets
@@ -179,27 +229,6 @@ ieee80211softmac_assoc_req(struct ieee80211_assoc_request **pkt,
                 return 0;
         ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_ASSOC_REQ, net->bssid, net->bssid);
 
-        /* Fill in capability Info */
-        switch (mac->ieee->iw_mode) {
-        case IW_MODE_INFRA:
-                (*pkt)->capability = cpu_to_le16(WLAN_CAPABILITY_ESS);
-                break;
-        case IW_MODE_ADHOC:
-                (*pkt)->capability = cpu_to_le16(WLAN_CAPABILITY_IBSS);
-                break;
-        case IW_MODE_AUTO:
-                (*pkt)->capability = net->capabilities & (WLAN_CAPABILITY_ESS|WLAN_CAPABILITY_IBSS);
-                break;
-        default:
-                /* bleh. we don't ever go to these modes */
-                printk(KERN_ERR PFX "invalid iw_mode!\n");
-                break;
-        }
-        /* Need to add this
-        (*pkt)->capability |= mac->ieee->short_slot ? 
-                        cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME) : 0;
-         */
-        (*pkt)->capability |= mac->ieee->sec.level ? cpu_to_le16(WLAN_CAPABILITY_PRIVACY) : 0;
         /* Fill in Listen Interval (?) */
         (*pkt)->listen_interval = cpu_to_le16(10);
         
@@ -239,17 +268,9 @@ ieee80211softmac_reassoc_req(struct ieee80211_reassoc_request **pkt,
                 return 0;
         ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_REASSOC_REQ, net->bssid, net->bssid);
 
-        /* Fill in capability Info */
-        (*pkt)->capability = mac->ieee->iw_mode == IW_MODE_MASTER ? 
-                                cpu_to_le16(WLAN_CAPABILITY_ESS) :
-                                cpu_to_le16(WLAN_CAPABILITY_IBSS);
-        /*
-        (*pkt)->capability |= mac->ieee->short_slot ? 
-                        cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME) : 0;
-         */
-        (*pkt)->capability |= mac->ieee->sec.level ?
-                        cpu_to_le16(WLAN_CAPABILITY_PRIVACY) : 0;
-                
+        /* Fill in the capabilities */
+        (*pkt)->capability = ieee80211softmac_capabilities(mac, net);
+
         /* Fill in Listen Interval (?) */
         (*pkt)->listen_interval = cpu_to_le16(10);
         /* Fill in the current AP MAC */
@@ -268,26 +289,27 @@ ieee80211softmac_reassoc_req(struct ieee80211_reassoc_request **pkt,
 static u32
 ieee80211softmac_auth(struct ieee80211_auth **pkt, 
         struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net,
-        u16 transaction, u16 status)
+        u16 transaction, u16 status, int *encrypt_mpdu)
 {
         u8 *data;
+        int auth_mode = mac->ieee->sec.auth_mode;
+        int is_shared_response = (auth_mode == WLAN_AUTH_SHARED_KEY
+                && transaction == IEEE80211SOFTMAC_AUTH_SHARED_RESPONSE);
+
         /* Allocate Packet */
         (*pkt) = (struct ieee80211_auth *)ieee80211softmac_alloc_mgt(
                 2 +             /* Auth Algorithm */
                 2 +             /* Auth Transaction Seq */
                 2 +             /* Status Code */
                  /* Challenge Text IE */
-                mac->ieee->open_wep ? 0 : 
-                1 + 1 + WLAN_AUTH_CHALLENGE_LEN
-        );      
+                is_shared_response ? 0 : 1 + 1 + net->challenge_len
+        );
         if (unlikely((*pkt) == NULL))
                 return 0;
         ieee80211softmac_hdr_3addr(mac, &((*pkt)->header), IEEE80211_STYPE_AUTH, net->bssid, net->bssid);
                 
         /* Algorithm */
-        (*pkt)->algorithm = mac->ieee->open_wep ? 
-                cpu_to_le16(WLAN_AUTH_OPEN) :
-                cpu_to_le16(WLAN_AUTH_SHARED_KEY);
+        (*pkt)->algorithm = cpu_to_le16(auth_mode);
         /* Transaction */
         (*pkt)->transaction = cpu_to_le16(transaction);
         /* Status */
@@ -295,18 +317,20 @@ ieee80211softmac_auth(struct ieee80211_auth **pkt,
         
         data = (u8 *)(*pkt)->info_element;
         /* Challenge Text */
-        if(!mac->ieee->open_wep){
+        if (is_shared_response) {
                 *data = MFIE_TYPE_CHALLENGE;
                 data++;
                 
                 /* Copy the challenge in */
-                // *data = challenge length
-                // data += sizeof(u16);
-                // memcpy(data, challenge, challenge length);
-                // data += challenge length;
-                
-                /* Add the full size to the packet length */
-        }
+                *data = net->challenge_len;
+                data++;
+                memcpy(data, net->challenge, net->challenge_len);
+                data += net->challenge_len;
+
+                /* Make sure this frame gets encrypted with the shared key */
+                *encrypt_mpdu = 1;
+        } else
+                *encrypt_mpdu = 0;
 
         /* Return the packet size */
         return (data - (u8 *)(*pkt));
@@ -396,6 +420,7 @@ ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
 {
         void *pkt = NULL;
         u32 pkt_size = 0;
+        int encrypt_mpdu = 0;
 
         switch(type) {
         case IEEE80211_STYPE_ASSOC_REQ:
@@ -405,7 +430,7 @@ ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
                 pkt_size = ieee80211softmac_reassoc_req((struct ieee80211_reassoc_request **)(&pkt), mac, (struct ieee80211softmac_network *)ptrarg);
                 break;
         case IEEE80211_STYPE_AUTH:
-                pkt_size = ieee80211softmac_auth((struct ieee80211_auth **)(&pkt), mac, (struct ieee80211softmac_network *)ptrarg, (u16)(arg & 0xFFFF), (u16) (arg >> 16));
+                pkt_size = ieee80211softmac_auth((struct ieee80211_auth **)(&pkt), mac, (struct ieee80211softmac_network *)ptrarg, (u16)(arg & 0xFFFF), (u16) (arg >> 16), &encrypt_mpdu);
                 break;
         case IEEE80211_STYPE_DISASSOC:
         case IEEE80211_STYPE_DEAUTH:
@@ -434,52 +459,8 @@ ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac,
          * or get rid of it alltogether?
          * Does this work for you now?
          */
-        ieee80211_tx_frame(mac->ieee, (struct ieee80211_hdr *)pkt, pkt_size);
-
-        kfree(pkt);
-        return 0;
-}
-
-
-/* Create an rts/cts frame */
-static u32
-ieee80211softmac_rts_cts(struct ieee80211_hdr_2addr **pkt,
-        struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net, 
-        u32 type)
-{
-        /* Allocate Packet */
-        (*pkt) = kmalloc(IEEE80211_2ADDR_LEN, GFP_ATOMIC);      
-        memset(*pkt, 0, IEEE80211_2ADDR_LEN);
-        if((*pkt) == NULL)
-                return 0;
-        ieee80211softmac_hdr_2addr(mac, (*pkt), type, net->bssid);
-        return IEEE80211_2ADDR_LEN;
-}
-
-
-/* Sends a control packet */
-static int
-ieee80211softmac_send_ctl_frame(struct ieee80211softmac_device *mac,
-        struct ieee80211softmac_network *net, u32 type, u32 arg)
-{
-        void *pkt = NULL;
-        u32 pkt_size = 0;
-        
-        switch(type) {
-        case IEEE80211_STYPE_RTS:
-        case IEEE80211_STYPE_CTS:
-                pkt_size = ieee80211softmac_rts_cts((struct ieee80211_hdr_2addr **)(&pkt), mac, net, type);
-                break;
-        default:
-                printkl(KERN_DEBUG PFX "Unsupported Control Frame type: %i\n", type);
-                return -EINVAL;
-        }
-
-        if(pkt_size == 0)
-                return -ENOMEM;
-        
-        /* Send the packet to the ieee80211 layer for tx */
-        ieee80211_tx_frame(mac->ieee, (struct ieee80211_hdr *) pkt, pkt_size);
+        ieee80211_tx_frame(mac->ieee, (struct ieee80211_hdr *)pkt,
+                IEEE80211_3ADDR_LEN, pkt_size, encrypt_mpdu);
 
         kfree(pkt);
         return 0;